Corrosion Behaviour of HVOF Sprayed Coatings on ASME SA213 T22 Boiler Steel in an Actual Boiler Environment
In present study HVOF spraying process had been employed for depositing 93(WC-Cr3C2)-7Ni, 75Cr3C2-25NiCr, 83WC-17CO and 86WC-10CO-4Cr coatings on ASME SA213 T22. All the coatings were found dense and uniform having thickness between 200-250µm. All the coatings on ASME SA213 T22 used in present studi...
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| creator | Goyal, Rakesh Singh Sidhu, Varinder Pal Goyal, Khushdeep |
| description | In present study HVOF spraying process had been employed for depositing 93(WC-Cr3C2)-7Ni, 75Cr3C2-25NiCr, 83WC-17CO and 86WC-10CO-4Cr coatings on ASME SA213 T22. All the coatings were found dense and uniform having thickness between 200-250µm. All the coatings on ASME SA213 T22 used in present studies have provided resistance to corrosion in coal fired boiler environment in superheater zone when exposed for 10 cycles at 900°C. Each cycle consists of 100 hours heating followed by 1 hour cooling at ambient conditions. X-ray diffraction (XRD), Scanning Electron Microscopy/Energy Dispersive Spectroscopy (SEM/EDS) techniques were used to analyse corrosion products. The results showed that among coated specimens 93(WC-Cr3C2)-7Ni and 75Cr3C2-25NiCr coatings has shown maximum and minimum resistance to corrosion respectively. The better corrosion resistance of 93(WC-Cr3C2)-7Ni coated steel alloys may be attributed to the formation of thin band of oxides of nickel, chromium; and carbides of tungsten. |
| doi_str_mv | 10.4028/www.scientific.net/AEF.20.1 |
| format | Article |
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All the coatings were found dense and uniform having thickness between 200-250µm. All the coatings on ASME SA213 T22 used in present studies have provided resistance to corrosion in coal fired boiler environment in superheater zone when exposed for 10 cycles at 900°C. Each cycle consists of 100 hours heating followed by 1 hour cooling at ambient conditions. X-ray diffraction (XRD), Scanning Electron Microscopy/Energy Dispersive Spectroscopy (SEM/EDS) techniques were used to analyse corrosion products. The results showed that among coated specimens 93(WC-Cr3C2)-7Ni and 75Cr3C2-25NiCr coatings has shown maximum and minimum resistance to corrosion respectively. 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The better corrosion resistance of 93(WC-Cr3C2)-7Ni coated steel alloys may be attributed to the formation of thin band of oxides of nickel, chromium; and carbides of tungsten.</description><subject>Chromium molybdenum steels</subject><subject>Coatings</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Corrosion resistance</subject><subject>Flame spraying</subject><subject>High alloy steels</subject><subject>Scanning electron microscopy</subject><subject>Superheaters</subject><issn>2234-9898</issn><issn>2234-991X</issn><issn>2234-991X</issn><isbn>9783035712056</isbn><isbn>3035712050</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkc1OGzEUha3SSkU072CJTTcZ_DPj8Qh1MUQJVKJiEYrYWY5zDaYTO9gOEW9fRwGBWFTd-C7ud4-PzkHomJKqJkyebLfbKhkHPjvrTOUhn_TTWcVIRT-hQ8Z4Pe46enuARl0rOeFNSxlpxOfXnezkVzRK6YEQwiiVXJBD9GcSYgzJBY_P4F4_ubCJOFh8cXM1w_N11M-wxJOgs_N3CReqn_-a4nnPKMfXjOGz4AaIeJ4BBuw81oUweaOH183UP7kY_KrY_oa-WD0kGL3MI_R7Nr2eXIwvr85_TvrLsWGS03F56gWhxggLxIpFw6zmsCA1NDWTS8GZtcK01iwo6ZbGyq6WrZCyEbJlAMCP0Pe97jqGxw2krFYuGRgG7SFskqKy47sjSQt6_AF9KAH44q5QgjAumWgLdbqnTIkqRbBqHd1Kx2dFidp1o0o36q0bVbpRpRvFiNr90X-4Ni6XQIPPUbvhXxq6wC8aP_Ya5cSnDOb-ndH_8PAX2SKyQg</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Goyal, Rakesh</creator><creator>Singh Sidhu, Varinder Pal</creator><creator>Goyal, Khushdeep</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>F28</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7SE</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>20170101</creationdate><title>Corrosion Behaviour of HVOF Sprayed Coatings on ASME SA213 T22 Boiler Steel in an Actual Boiler Environment</title><author>Goyal, Rakesh ; Singh Sidhu, Varinder Pal ; Goyal, Khushdeep</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2831-2834b01cc6fe0f6b52fa3eb04e5428d632ff6c7fcb109dcf8948768856872eee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Chromium molybdenum steels</topic><topic>Coatings</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Corrosion resistance</topic><topic>Flame spraying</topic><topic>High alloy steels</topic><topic>Scanning electron microscopy</topic><topic>Superheaters</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goyal, Rakesh</creatorcontrib><creatorcontrib>Singh Sidhu, Varinder Pal</creatorcontrib><creatorcontrib>Goyal, Khushdeep</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Continental Europe Database</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Materials Research Database</collection><jtitle>Advanced engineering forum</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goyal, Rakesh</au><au>Singh Sidhu, Varinder Pal</au><au>Goyal, Khushdeep</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Corrosion Behaviour of HVOF Sprayed Coatings on ASME SA213 T22 Boiler Steel in an Actual Boiler Environment</atitle><jtitle>Advanced engineering forum</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>20</volume><spage>1</spage><epage>9</epage><pages>1-9</pages><artnum>1</artnum><issn>2234-9898</issn><issn>2234-991X</issn><eissn>2234-991X</eissn><isbn>9783035712056</isbn><isbn>3035712050</isbn><abstract>In present study HVOF spraying process had been employed for depositing 93(WC-Cr3C2)-7Ni, 75Cr3C2-25NiCr, 83WC-17CO and 86WC-10CO-4Cr coatings on ASME SA213 T22. All the coatings were found dense and uniform having thickness between 200-250µm. All the coatings on ASME SA213 T22 used in present studies have provided resistance to corrosion in coal fired boiler environment in superheater zone when exposed for 10 cycles at 900°C. Each cycle consists of 100 hours heating followed by 1 hour cooling at ambient conditions. X-ray diffraction (XRD), Scanning Electron Microscopy/Energy Dispersive Spectroscopy (SEM/EDS) techniques were used to analyse corrosion products. The results showed that among coated specimens 93(WC-Cr3C2)-7Ni and 75Cr3C2-25NiCr coatings has shown maximum and minimum resistance to corrosion respectively. The better corrosion resistance of 93(WC-Cr3C2)-7Ni coated steel alloys may be attributed to the formation of thin band of oxides of nickel, chromium; and carbides of tungsten.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/AEF.20.1</doi><tpages>9</tpages></addata></record> |
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| source | Scientific.net Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Chromium molybdenum steels Coatings Corrosion Corrosion environments Corrosion resistance Flame spraying High alloy steels Scanning electron microscopy Superheaters |
| title | Corrosion Behaviour of HVOF Sprayed Coatings on ASME SA213 T22 Boiler Steel in an Actual Boiler Environment |
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